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aleksklad [387]
3 years ago
12

Can someone answer this?

Mathematics
2 answers:
Paha777 [63]3 years ago
6 0

Answer:

x=1

Step-by-step explanation:

Convert decimals to fractions:

11/5x + 11/5 / 4= 1.1

Simplifies the fraction:

11x+11 / 20= 1.1

Remove denominator (then multiply by 20 on both sides):

11x+11=22

Move the x to the left:

11x= -11+22 → 11x=11

Simplify:

11x=11 → x=1

xenn [34]3 years ago
4 0

Answer:

x = 1

Step-by-step explanation:

11/5x + 2.2/4 = 1.1

11/5x + 11/5/4 = 1.1

11x + 11/5/4 = 1.1

11x + 11/20 = 1.1

11x + 11 = 22

11x = 22 - 11

11x = 11

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Which of the ordered pairs is a solution to the system of inequalities? y > 5 y ≥ x (0, 0) (4, 5) (-5, 4) (-5, 6)
yKpoI14uk [10]

Plug the y value in for y and plug the x value in for x

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3 years ago
O is the centre of the circle. AB is a diameter.
viktelen [127]

Answer:

The value of a is 63° and the value of b is 27°

Step-by-step explanation:

In the given figure

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∴ OA = OB = OC

In Δ AOC

∵ OA = OC

∴ Δ AOC is an isosceles triangle

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∵ m∠OAC = a°

∴ m∠OCA = a°

→ The sum of angles in any triangle is 180°

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∵ m∠AOC = 54°

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→ Divide both sides by 2

∵ m∠OAC = m∠OCA = 126 ÷ 2

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∴ The value of a is 63°

In ΔBOC

∵ OB = OC

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∵ ∠OBC and ∠OCB are the base angles of the triangle

∴ m∠OBC = m∠OCB

∵ m∠OBC = b°

∴ m∠OCB = b°

∵ ∠AOC is an exterior angle of ΔBOC at the vertex O

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    of the opposite interior angles to this vertex

∵ ∠OBC and ∠OCB are the opposite interior angle of ∠AOC

∴ m∠OBC + m∠OCB = m∠AOC

→ Substitute their measures

∵ b° + b° = 54°

→ Add the like terms

∴ 2b° = 54

→ Divide both sides by 2

∴ b° = 27

∴ The value of b is 27°

3 0
2 years ago
Can someone help me with my mid term click download document
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Answer:

1.D 2.D 3.B 4.B 5.B 6.B 7.C 8.C 9. Tickets sold/money collected

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Can u solve both 20. and 22.<br><br> Geometry
SCORPION-xisa [38]

Hey there!!

(1) Both the angles sum up to be 180.

(2) Both the angles sum up to be 90

_________________

(1) 4x+5+8x-5=180

... 12x=180

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________________

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... x=12

__________________

Hope it helps!


8 0
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